| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,838 |
| Name that Greek Letter | 0 | - | 4.93 | 322,995 |
| The Trojan War | 0 | - | 4.83 | 39,630 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,472 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,432 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,390 |
| Roman Emperors | 0 | - | 4.95 | 119,594 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,421 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,596 |
| Name the English Monarchs | 0 | - | 4.91 | 501,190 |
| The Life of Alexander the Great | 0 | - | 4.50 | 18,474 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,921 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,868 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,678 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,841 |
| Roman Names for Places | 0 | - | 4.62 | 58,154 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,328 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,858 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,367 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,821 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,075 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,226 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,664 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,563 |
| Ancient Greek Words | 0 | - | 4.93 | 111,291 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,159 |
| Countries Bordering France | 0 | - | 4.83 | 401,741 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,500 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,053 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,727 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,550 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,663 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,376 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,700 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,159 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,772 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,067 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,888 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,943 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,110 |
| Counties of Ireland | 0 | - | 4.92 | 194,485 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,732 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,641 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,879 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,536 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,047 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,996 |
| British History A-Z #1 | 0 | - | 4.45 | 46,375 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,564 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,437 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,196 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,652 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,319 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,020 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,060 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,879 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,326 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,284 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,342 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,104 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,762 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,324 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,115 |
| English Royal Consorts | 0 | - | 4.37 | 37,305 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,052 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,821 |
| German History A-Z | 0 | - | 4.49 | 24,562 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,837 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,232 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,638 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,107 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,087 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,922 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,457 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,395 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,027 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,668 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,713 |
| The Only European Country ... | 0 | - | 4.91 | 215,839 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,661 |
| History of Russia Quiz | 0 | - | 4.49 | 31,874 |
| History of Italy | 0 | - | 4.55 | 31,928 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,603 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,153 |
| Counties of England | 0 | - | 4.97 | 794,324 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,781 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,797 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,920 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,371 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,913 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,016 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,933 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,873 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,307 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,934 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,674 |
| Slavic Countries | 0 | - | 4.96 | 111,436 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,470 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,371 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,923 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,974 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,704 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,482 |
| Champions League Winners | 0 | - | 4.92 | 1,003,251 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,556 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,818 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,722 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,632 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,189 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,837 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,453 |
| Monarchies of Europe | 0 | - | 4.90 | 97,892 |
| European Countries with One Border | 0 | - | 4.97 | 182,441 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,253 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,444 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,172 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,783 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,548 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,717 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,250 |
| Russia Country Quiz | 0 | - | 4.85 | 114,229 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,118 |
| Countries That Border Russia | 0 | - | 4.98 | 460,959 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,210 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,276 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,064 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,355 |
| Departments of France | 0 | - | 4.93 | 53,682 |
| Geography of the French Empire | 0 | - | 4.45 | 27,017 |
| The French Revolution | 0 | - | 4.46 | 23,894 |
| History of France | 0 | - | 4.59 | 56,780 |
| French History A-Z | 0 | - | 4.23 | 24,523 |
| Germany Country Quiz | 0 | - | 4.82 | 157,498 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,480 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,821 |
| States of Germany | 0 | - | 4.96 | 151,742 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,455 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,834 |
| Greece Country Quiz | 0 | - | 4.74 | 66,100 |
| Regions of Italy | 0 | - | 4.92 | 75,490 |
| Italy Country Quiz | 0 | - | 4.82 | 123,134 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,038 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,745 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,507 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,713 |
| The Vikings! | 0 | - | 4.46 | 28,314 |
| The Portuguese Empire | 0 | - | 4.58 | 12,043 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,618 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,572 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,305 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,947 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,500 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,148 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,301 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,260 |
| Geography of the British Empire | 0 | - | 4.48 | 39,626 |
| Animals in British History | 0 | - | 4.44 | 25,967 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,409 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,654 |
| England or Wales? | 0 | - | 4.94 | 45,581 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,650 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,686,285 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,455 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,020 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,255 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,305 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,701 |
| Countries that Border Poland | 0 | - | 4.99 | 171,999 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,686 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,078 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,064 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,217 |
| Countries that Beat France | 0 | - | 4.49 | 75,584 |
| France True or False? | 0 | - | 4.43 | 39,892 |
| French History Multiple Choice | 0 | - | 4.55 | 32,994 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,751 |
| Roman to Greek God | 0 | - | 4.52 | 122,626 |
| Italian History A-Z | 0 | - | 4.21 | 17,660 |
| Roman History by Picture | 0 | - | 4.46 | 26,430 |
| Byzantine History | 0 | - | 4.91 | 28,746 |
| History of The Netherlands | 0 | - | 4.46 | 17,400 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,281 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,765 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,297 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,046 |
| Finland Country Quiz | 0 | - | 4.50 | 59,494 |
| Norway Country Quiz | 0 | - | 4.44 | 77,139 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,059 |
| Spanish History A-Z | 0 | - | 4.37 | 19,256 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,316 |
| Arthurian Legend | 0 | - | 4.33 | 25,093 |
| British Monopoly Board | 0 | - | 4.52 | 41,133 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,858 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,301 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,841 |
| Medieval English History | 0 | - | 4.53 | 43,448 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,534 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,178 |
